ComicsAs One Piece nears its end after almost 30 years, creator Eiichiro Oda is throwing out the rulebook on how to end a long-running mangaWhen you purchase through links on our site, we may earn an affiliate commission.Here’s how it works. ComicsAs One Piece nears its end after almost 30 years, creator Eiichiro Oda is throwing out the rulebook on how to end a long-running mangaWhen you purchase through links on our site, we may earn an affiliate commission.Here’s how it works. When you purchase through links on our site, we may earn an affiliate commission.Here’s how it works. (Image credit: Shueisha) With a series that invites the sheer quantity of intense speculation that One Piece does,creator Eiichiro Odahas to throw us some curve balls from time-to-time in order to keep us all surprised and on the edge of our seats. As we enter what he has deemed the series' “Final Saga,” we have some expectations about how things will go. The last of the franchise’s final …